156909140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2789}}^1$

素因数の和:2924

約数の個数: 48

約数和(自身を含む): 344509200

約数和(自身を除く): 187600060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 580, 970, 1940, 2789, 2813, 5578, 5626, 11156, 11252, 13945, 14065, 27890, 28130, 55780, 56260, 80881, 161762, 270533, 323524, 404405, 541066, 808810, 1082132, 1352665, 1617620, 2705330, 5410660, 7845457, 15690914, 31381828, 39227285, 78454570, 156909140]

約数ペア:

[(1, 156909140), (2, 78454570), (4, 39227285), (5, 31381828), (10, 15690914), (20, 7845457), (29, 5410660), (58, 2705330), (97, 1617620), (116, 1352665), (145, 1082132), (194, 808810), (290, 541066), (388, 404405), (485, 323524), (580, 270533), (970, 161762), (1940, 80881), (2789, 56260), (2813, 55780), (5578, 28130), (5626, 27890), (11156, 14065), (11252, 13945)]